You can’t control everything in life, but you can control how you react to it.
你无法控制生活中的一切,但你可以控制自己的反应。
勤勉:不要浪费时间,只做有用的事情,戒除一切不必要的行为。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.